Optional upgrade, build async

shlax/actions/packages.py

@@ -121,7 +121,8 @@ class Packages(Action):
         self.cmds = self.mgrs[self.mgr]
         if not getattr(self, '_packages_upgraded', None):
             await self.update()
-            await self.rexec(self.cmds['upgrade'])
+            if self.kwargs.get('upgrade', True):
+                await self.rexec(self.cmds['upgrade'])
             self._packages_upgraded = True
 
         packages = []
@@ -147,7 +148,7 @@ class Packages(Action):
     async def dnf_setup(self):
         cachedir = os.path.join(self.cache_root, self.mgr)
         await self.mount(cachedir, f'/var/cache/{self.mgr}')
-        await self.run('echo keepcache=True >> /etc/dnf/dnf.conf')
+        await self.rexec('echo keepcache=True >> /etc/dnf/dnf.conf')
         return cachedir
 
     async def apt_setup(self):

shlax/strategies/asyn.py

@@ -6,6 +6,6 @@ from .script import Script
 class Async(Script):
     async def call(self, *args, **kwargs):
         return asyncio.gather(*[
-            procs.append(action(*args, **kwargs))
+            action(*args, **kwargs)
             for action in self.actions
         ])

shlaxfile.py

@@ -4,8 +4,19 @@ from shlax.contrib.gitlab import *
 PYTEST = 'py.test -svv tests'
 
 build = Buildah(
-    Packages('py3-yaml'),
-    Copy('shlax/', 'setup.py', '/app'),
+    'quay.io/podman/stable',
+    Packages('python38', 'buildah', 'unzip', 'findutils', 'python3-yaml', upgrade=False),
+    Async(
+        # python3.8 on centos with pip dance ...
+        Run('''
+        curl -o setuptools.zip https://files.pythonhosted.org/packages/42/3e/2464120172859e5d103e5500315fb5555b1e908c0dacc73d80d35a9480ca/setuptools-45.1.0.zip
+        unzip setuptools.zip
+        mkdir -p /usr/local/lib/python3.8/site-packages/
+        sh -c "cd setuptools-* && python3.8 setup.py install"
+        easy_install-3.8 pip
+        '''),
+        Copy('shlax/', 'setup.py', '/app'),
+    ),
     Pip('/app'),
     commit='yourlabs/shlax',
     workdir='/app',